---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12825 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 805 5186 4 2247 7136 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:5f:2f:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80822sec preferred_lft 80822sec inet6 fe80::f816:3eff:fe5f:2f08/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12825) 05/12/26 _x86_64_ (2 CPU) 00:45:14 LINUX RESTART (2 CPU) 00:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.69 0.02 1.64 0.03 1.24 20.00 872.22 01:10:02 1.38 0.01 1.35 0.02 0.05 16.29 1.20 01:20:22 1.82 0.25 1.55 0.03 30.00 72.35 1.23 01:30:03 1.66 0.01 1.62 0.04 1.09 19.89 1.68 01:40:02 15.66 13.56 2.04 0.07 151.29 44.77 37.84 01:50:03 1.36 0.00 1.35 0.01 0.00 16.20 0.96 02:00:03 1.57 0.00 1.55 0.02 0.00 19.43 216.52 02:10:04 1.38 0.00 1.38 0.00 0.00 16.21 0.00 Average: 3.31 1.73 1.56 0.03 23.05 28.35 141.49 00:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6276820 7527912 292800 3.60 30692 1426056 534392 5.82 453788 1187292 172 01:10:02 6276820 7528472 292236 3.59 30916 1426388 532920 5.80 453088 1187848 176 01:20:22 6246492 7524844 295324 3.63 31292 1452360 727612 7.93 467916 1205432 192 01:30:03 6239196 7518400 301736 3.71 31512 1452964 533212 5.81 462580 1205944 236 01:40:02 6193440 7529788 281244 3.46 35692 1497596 533212 5.81 463440 1254140 244 01:50:03 6191456 7528464 282564 3.47 35892 1498044 533276 5.81 463696 1254668 188 02:00:03 6181592 7519140 291788 3.59 36076 1498376 533340 5.81 465332 1255176 260 02:10:04 6189404 7527456 283472 3.49 36244 1498696 533372 5.81 465452 1255672 256 Average: 6224402 7525560 290146 3.57 33540 1468810 557667 6.07 461912 1225772 216 00:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.83 0.09 0.10 0.04 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.56 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:22 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:22 ens3 1.29 0.29 3.70 0.07 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.33 0.05 0.08 0.04 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.40 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 0.23 0.05 0.07 0.04 0.00 0.00 0.00 0.00 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 0.33 0.14 0.07 0.63 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 0.26 0.06 0.07 0.03 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.53 0.10 0.55 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12825) 05/12/26 _x86_64_ (2 CPU) 00:45:14 LINUX RESTART (2 CPU) 00:50:02 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.29 0.00 0.19 0.01 0.08 99.44 01:00:03 0 0.24 0.00 0.21 0.01 0.09 99.45 01:00:03 1 0.33 0.00 0.17 0.02 0.06 99.42 01:10:02 all 0.28 0.00 0.08 0.01 0.02 99.61 01:10:02 0 0.12 0.00 0.09 0.00 0.02 99.77 01:10:02 1 0.44 0.00 0.08 0.02 0.02 99.45 01:20:22 all 0.41 0.00 0.11 0.02 0.02 99.44 01:20:22 0 0.25 0.00 0.13 0.02 0.02 99.58 01:20:22 1 0.58 0.00 0.09 0.02 0.02 99.30 01:30:03 all 0.31 0.00 0.20 0.01 0.02 99.47 01:30:03 0 0.49 0.00 0.18 0.02 0.01 99.31 01:30:03 1 0.13 0.00 0.21 0.01 0.02 99.63 01:40:02 all 0.32 0.20 0.17 0.20 0.02 99.09 01:40:02 0 0.47 0.21 0.15 0.22 0.02 98.93 01:40:02 1 0.16 0.19 0.19 0.19 0.02 99.25 01:50:03 all 0.24 0.00 0.08 0.01 0.02 99.65 01:50:03 0 0.20 0.00 0.07 0.02 0.02 99.69 01:50:03 1 0.28 0.00 0.09 0.00 0.02 99.61 02:00:03 all 0.28 0.00 0.17 0.08 0.03 99.44 02:00:03 0 0.12 0.00 0.18 0.13 0.03 99.54 02:00:03 1 0.45 0.00 0.17 0.03 0.02 99.33 02:10:04 all 0.22 0.00 0.08 0.01 0.02 99.67 02:10:04 0 0.11 0.00 0.08 0.01 0.02 99.78 02:10:04 1 0.32 0.00 0.08 0.01 0.02 99.56 Average: all 0.29 0.02 0.13 0.04 0.03 99.48 Average: 0 0.25 0.03 0.13 0.05 0.03 99.51 Average: 1 0.34 0.02 0.13 0.04 0.02 99.44